10 th Grade Geometry By Melissa Inforna. Table of Contents Welcome Welcome Setting up your...
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Transcript of 10 th Grade Geometry By Melissa Inforna. Table of Contents Welcome Welcome Setting up your...
10th Grade GeometryBy Melissa Inforna
Table of ContentsWelcomeSetting up your calculator Basic parts of a right triangleAngles and Sides of a right triangleWelcome to SohCahToaFinding the ratioMission #1Mission #2Mission #3Credits
Welcome!Congratulations! You have made it to a new
area of math; Right Triangle Trigonometry. You and your partner are about to explore the beginnings of the trigonometric functions! Please follow this WebQuest page by page in order to get the full understanding of this topic. Enjoy!
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Setting up your CalculatorIn order to use your calculator you must first
tell it what you are going to be doing. Please follow these steps:Turn calculator onHit ModeGo to where it says Radian DegreePut your cursor on DegreeHit EnterHit 2nd Quit
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Basic parts of a Right TriangleThere are 2 legs and
a hypotenuseThe legs meet at the
right angleThe hypotenuse is
the longest side and is always across from the right angle
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Leg
Leg
Hypotenuse
Angles and Sides of a Right TriangleAngles are
represented by uppercase letters
Sides are represented by lowercase letters
The angle’s side is always opposite that angle. Ex: Angle A has side a opposite it.
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A
aB
b
C
c
Welcome to SohCahToaSohCahToa stands for:
Take the first letter of the trig function and the first letter of the sides of the ratio.
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Adjacent
OppositeTan
Hypotenuse
AdjacentCos
Hypotenuse
OppositeSin
Finding the RatioUsing the triangle at
the right we are going to fill in the following values:
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4
35
45
3
A
OTanA
H
ACosA
H
OSinA
A
BC3
45
Mission #1Using the Triangle on the previous slide
complete the following mission:Find the Sin, Cos, and Tan of Angle B
Previous Slide: Click Here
This is to be completed on a separate sheet of paper and shown to me before you continue!!
Mission #2Congratulations you have successfully
completed your first mission! Your second mission is as follows:Go to Mission 2 Final Project.docComplete this ditto on a separate sheet of
paper showing all work! Hand in to me when completed
Mission #3This is to be done INDEPENDENTLY!!This is to be taken at the desk in the library
away from the computers!Print out this Exit Slip, complete and hand in
for a quiz grade.
Exit Slip : Click Here
CreditsDitto for Mission 2:
http://www.edhelper.com/math/trigonometry9.htm